When is the earliest interval that chorionic villus sampling (CVS) can be performed during pregnancy?
A) 4 weeks
B) 8 weeks
C) 10 weeks
D) 14 weeks

Question

Quizplus · Accepted Answer

CVS is normally performed between 10 and 13 weeks gestation. The fetal villus tissue can be analyzed directly for chromosomal, metabolic, or DNA abnormalities. It is too early to perform CVS at 4 or 8 weeks of pregnancy. The test can no longer be performed a 14 weeks gestation. Results are available within 24 to 48 hours.

When Is the Earliest Interval That Chorionic Villus Sampling (CVS)